package org.blogwu.learn.designpattern.chapter14.v4;

import java.math.BigDecimal;

public abstract class Course {

    protected String name;

    public Course(String name) {
        this.name = name;
    }

    public abstract void addCourse(Course course);


    public abstract void showCourseInfo();


    public abstract void setPrice(BigDecimal bigDecimal);

}
